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ArrayLoader.php000064400000005373151160153330007470 0ustar00<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Loader;
use Twig\Error\LoaderError;
use Twig\Source;
/**
* Loads a template from an array.
*
* When using this loader with a cache mechanism, you should know that a
new cache
* key is generated each time a template content "changes" (the
cache key being the
* source code of the template). If you don't want to see your cache
grows out of
* control, you need to take care of clearing the old cache file by
yourself.
*
* This loader should only be used for unit testing.
*
* @final
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ArrayLoader implements LoaderInterface, ExistsLoaderInterface,
SourceContextLoaderInterface
{
protected $templates = [];
/**
* @param array $templates An array of templates (keys are the names,
and values are the source code)
*/
public function __construct(array $templates = [])
{
$this->templates = $templates;
}
/**
* Adds or overrides a template.
*
* @param string $name The template name
* @param string $template The template source
*/
public function setTemplate($name, $template)
{
$this->templates[(string) $name] = $template;
}
public function getSource($name)
{
@trigger_error(sprintf('Calling "getSource" on
"%s" is deprecated since 1.27. Use getSourceContext()
instead.', \get_class($this)), E_USER_DEPRECATED);
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new LoaderError(sprintf('Template "%s" is
not defined.', $name));
}
return $this->templates[$name];
}
public function getSourceContext($name)
{
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new LoaderError(sprintf('Template "%s" is
not defined.', $name));
}
return new Source($this->templates[$name], $name);
}
public function exists($name)
{
return isset($this->templates[(string) $name]);
}
public function getCacheKey($name)
{
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new LoaderError(sprintf('Template "%s" is
not defined.', $name));
}
return $name.':'.$this->templates[$name];
}
public function isFresh($name, $time)
{
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new LoaderError(sprintf('Template "%s" is
not defined.', $name));
}
return true;
}
}
class_alias('Twig\Loader\ArrayLoader',
'Twig_Loader_Array');
ChainLoader.php000064400000011051151160153330007422 0ustar00<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Loader;
use Twig\Error\LoaderError;
use Twig\Source;
/**
* Loads templates from other loaders.
*
* @final
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ChainLoader implements LoaderInterface, ExistsLoaderInterface,
SourceContextLoaderInterface
{
private $hasSourceCache = [];
protected $loaders = [];
/**
* @param LoaderInterface[] $loaders
*/
public function __construct(array $loaders = [])
{
foreach ($loaders as $loader) {
$this->addLoader($loader);
}
}
public function addLoader(LoaderInterface $loader)
{
$this->loaders[] = $loader;
$this->hasSourceCache = [];
}
/**
* @return LoaderInterface[]
*/
public function getLoaders()
{
return $this->loaders;
}
public function getSource($name)
{
@trigger_error(sprintf('Calling "getSource" on
"%s" is deprecated since 1.27. Use getSourceContext()
instead.', \get_class($this)), E_USER_DEPRECATED);
$exceptions = [];
foreach ($this->loaders as $loader) {
if ($loader instanceof ExistsLoaderInterface &&
!$loader->exists($name)) {
continue;
}
try {
return $loader->getSource($name);
} catch (LoaderError $e) {
$exceptions[] = $e->getMessage();
}
}
throw new LoaderError(sprintf('Template "%s" is not
defined%s.', $name, $exceptions ? ' ('.implode(',
', $exceptions).')' : ''));
}
public function getSourceContext($name)
{
$exceptions = [];
foreach ($this->loaders as $loader) {
if ($loader instanceof ExistsLoaderInterface &&
!$loader->exists($name)) {
continue;
}
try {
if ($loader instanceof SourceContextLoaderInterface) {
return $loader->getSourceContext($name);
}
return new Source($loader->getSource($name), $name);
} catch (LoaderError $e) {
$exceptions[] = $e->getMessage();
}
}
throw new LoaderError(sprintf('Template "%s" is not
defined%s.', $name, $exceptions ? ' ('.implode(',
', $exceptions).')' : ''));
}
public function exists($name)
{
$name = (string) $name;
if (isset($this->hasSourceCache[$name])) {
return $this->hasSourceCache[$name];
}
foreach ($this->loaders as $loader) {
if ($loader instanceof ExistsLoaderInterface) {
if ($loader->exists($name)) {
return $this->hasSourceCache[$name] = true;
}
continue;
}
try {
if ($loader instanceof SourceContextLoaderInterface) {
$loader->getSourceContext($name);
} else {
$loader->getSource($name);
}
return $this->hasSourceCache[$name] = true;
} catch (LoaderError $e) {
}
}
return $this->hasSourceCache[$name] = false;
}
public function getCacheKey($name)
{
$exceptions = [];
foreach ($this->loaders as $loader) {
if ($loader instanceof ExistsLoaderInterface &&
!$loader->exists($name)) {
continue;
}
try {
return $loader->getCacheKey($name);
} catch (LoaderError $e) {
$exceptions[] = \get_class($loader).':
'.$e->getMessage();
}
}
throw new LoaderError(sprintf('Template "%s" is not
defined%s.', $name, $exceptions ? ' ('.implode(',
', $exceptions).')' : ''));
}
public function isFresh($name, $time)
{
$exceptions = [];
foreach ($this->loaders as $loader) {
if ($loader instanceof ExistsLoaderInterface &&
!$loader->exists($name)) {
continue;
}
try {
return $loader->isFresh($name, $time);
} catch (LoaderError $e) {
$exceptions[] = \get_class($loader).':
'.$e->getMessage();
}
}
throw new LoaderError(sprintf('Template "%s" is not
defined%s.', $name, $exceptions ? ' ('.implode(',
', $exceptions).')' : ''));
}
}
class_alias('Twig\Loader\ChainLoader',
'Twig_Loader_Chain');
ExistsLoaderInterface.php000064400000001423151160153330011502
0ustar00<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Loader;
/**
* Adds an exists() method for loaders.
*
* @author Florin Patan <florinpatan@gmail.com>
*
* @deprecated since 1.12 (to be removed in 3.0)
*/
interface ExistsLoaderInterface
{
/**
* Check if we have the source code of a template, given its name.
*
* @param string $name The name of the template to check if we can load
*
* @return bool If the template source code is handled by this loader
or not
*/
public function exists($name);
}
class_alias('Twig\Loader\ExistsLoaderInterface',
'Twig_ExistsLoaderInterface');
FilesystemLoader.php000064400000022263151160153330010533 0ustar00<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Loader;
use Twig\Error\LoaderError;
use Twig\Source;
/**
* Loads template from the filesystem.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class FilesystemLoader implements LoaderInterface, ExistsLoaderInterface,
SourceContextLoaderInterface
{
/** Identifier of the main namespace. */
const MAIN_NAMESPACE = '__main__';
protected $paths = [];
protected $cache = [];
protected $errorCache = [];
private $rootPath;
/**
* @param string|array $paths A path or an array of paths where to
look for templates
* @param string|null $rootPath The root path common to all relative
paths (null for getcwd())
*/
public function __construct($paths = [], $rootPath = null)
{
$this->rootPath = (null === $rootPath ? getcwd() :
$rootPath).\DIRECTORY_SEPARATOR;
if (false !== $realPath = realpath($rootPath)) {
$this->rootPath = $realPath.\DIRECTORY_SEPARATOR;
}
if ($paths) {
$this->setPaths($paths);
}
}
/**
* Returns the paths to the templates.
*
* @param string $namespace A path namespace
*
* @return array The array of paths where to look for templates
*/
public function getPaths($namespace = self::MAIN_NAMESPACE)
{
return isset($this->paths[$namespace]) ?
$this->paths[$namespace] : [];
}
/**
* Returns the path namespaces.
*
* The main namespace is always defined.
*
* @return array The array of defined namespaces
*/
public function getNamespaces()
{
return array_keys($this->paths);
}
/**
* Sets the paths where templates are stored.
*
* @param string|array $paths A path or an array of paths where to
look for templates
* @param string $namespace A path namespace
*/
public function setPaths($paths, $namespace = self::MAIN_NAMESPACE)
{
if (!\is_array($paths)) {
$paths = [$paths];
}
$this->paths[$namespace] = [];
foreach ($paths as $path) {
$this->addPath($path, $namespace);
}
}
/**
* Adds a path where templates are stored.
*
* @param string $path A path where to look for templates
* @param string $namespace A path namespace
*
* @throws LoaderError
*/
public function addPath($path, $namespace = self::MAIN_NAMESPACE)
{
// invalidate the cache
$this->cache = $this->errorCache = [];
$checkPath = $this->isAbsolutePath($path) ? $path :
$this->rootPath.$path;
if (!is_dir($checkPath)) {
throw new LoaderError(sprintf('The "%s"
directory does not exist ("%s").', $path, $checkPath));
}
$this->paths[$namespace][] = rtrim($path, '/\\');
}
/**
* Prepends a path where templates are stored.
*
* @param string $path A path where to look for templates
* @param string $namespace A path namespace
*
* @throws LoaderError
*/
public function prependPath($path, $namespace = self::MAIN_NAMESPACE)
{
// invalidate the cache
$this->cache = $this->errorCache = [];
$checkPath = $this->isAbsolutePath($path) ? $path :
$this->rootPath.$path;
if (!is_dir($checkPath)) {
throw new LoaderError(sprintf('The "%s"
directory does not exist ("%s").', $path, $checkPath));
}
$path = rtrim($path, '/\\');
if (!isset($this->paths[$namespace])) {
$this->paths[$namespace][] = $path;
} else {
array_unshift($this->paths[$namespace], $path);
}
}
public function getSource($name)
{
@trigger_error(sprintf('Calling "getSource" on
"%s" is deprecated since 1.27. Use getSourceContext()
instead.', \get_class($this)), E_USER_DEPRECATED);
if (null === ($path = $this->findTemplate($name)) || false ===
$path) {
return '';
}
return file_get_contents($path);
}
public function getSourceContext($name)
{
if (null === ($path = $this->findTemplate($name)) || false ===
$path) {
return new Source('', $name, '');
}
return new Source(file_get_contents($path), $name, $path);
}
public function getCacheKey($name)
{
if (null === ($path = $this->findTemplate($name)) || false ===
$path) {
return '';
}
$len = \strlen($this->rootPath);
if (0 === strncmp($this->rootPath, $path, $len)) {
return substr($path, $len);
}
return $path;
}
public function exists($name)
{
$name = $this->normalizeName($name);
if (isset($this->cache[$name])) {
return true;
}
try {
return null !== ($path = $this->findTemplate($name, false))
&& false !== $path;
} catch (LoaderError $e) {
@trigger_error(sprintf('In %s::findTemplate(), you must
accept a second argument that when set to "false" returns
"false" instead of throwing an exception. Not supporting this
argument is deprecated since version 1.27.', \get_class($this)),
E_USER_DEPRECATED);
return false;
}
}
public function isFresh($name, $time)
{
// false support to be removed in 3.0
if (null === ($path = $this->findTemplate($name)) || false ===
$path) {
return false;
}
return filemtime($path) < $time;
}
/**
* Checks if the template can be found.
*
* @param string $name The template name
*
* @return string|false|null The template name or false/null
*/
protected function findTemplate($name)
{
$throw = \func_num_args() > 1 ? func_get_arg(1) : true;
$name = $this->normalizeName($name);
if (isset($this->cache[$name])) {
return $this->cache[$name];
}
if (isset($this->errorCache[$name])) {
if (!$throw) {
return false;
}
throw new LoaderError($this->errorCache[$name]);
}
try {
$this->validateName($name);
list($namespace, $shortname) = $this->parseName($name);
} catch (LoaderError $e) {
if (!$throw) {
return false;
}
throw $e;
}
if (!isset($this->paths[$namespace])) {
$this->errorCache[$name] = sprintf('There are no
registered paths for namespace "%s".', $namespace);
if (!$throw) {
return false;
}
throw new LoaderError($this->errorCache[$name]);
}
foreach ($this->paths[$namespace] as $path) {
if (!$this->isAbsolutePath($path)) {
$path = $this->rootPath.$path;
}
if (is_file($path.'/'.$shortname)) {
if (false !== $realpath =
realpath($path.'/'.$shortname)) {
return $this->cache[$name] = $realpath;
}
return $this->cache[$name] =
$path.'/'.$shortname;
}
}
$this->errorCache[$name] = sprintf('Unable to find template
"%s" (looked into: %s).', $name, implode(', ',
$this->paths[$namespace]));
if (!$throw) {
return false;
}
throw new LoaderError($this->errorCache[$name]);
}
protected function parseName($name, $default = self::MAIN_NAMESPACE)
{
if (isset($name[0]) && '@' == $name[0]) {
if (false === $pos = strpos($name, '/')) {
throw new LoaderError(sprintf('Malformed namespaced
template name "%s" (expecting
"@namespace/template_name").', $name));
}
$namespace = substr($name, 1, $pos - 1);
$shortname = substr($name, $pos + 1);
return [$namespace, $shortname];
}
return [$default, $name];
}
protected function normalizeName($name)
{
return preg_replace('#/{2,}#', '/',
str_replace('\\', '/', (string) $name));
}
protected function validateName($name)
{
if (false !== strpos($name, "\0")) {
throw new LoaderError('A template name cannot contain NUL
bytes.');
}
$name = ltrim($name, '/');
$parts = explode('/', $name);
$level = 0;
foreach ($parts as $part) {
if ('..' === $part) {
--$level;
} elseif ('.' !== $part) {
++$level;
}
if ($level < 0) {
throw new LoaderError(sprintf('Looks like you try to
load a template outside configured directories (%s).', $name));
}
}
}
private function isAbsolutePath($file)
{
return strspn($file, '/\\', 0, 1)
|| (\strlen($file) > 3 && ctype_alpha($file[0])
&& ':' === substr($file, 1, 1)
&& strspn($file, '/\\', 2, 1)
)
|| null !== parse_url($file, PHP_URL_SCHEME)
;
}
}
class_alias('Twig\Loader\FilesystemLoader',
'Twig_Loader_Filesystem');
LoaderInterface.php000064400000003043151160153330010302 0ustar00<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Loader;
use Twig\Error\LoaderError;
/**
* Interface all loaders must implement.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
interface LoaderInterface
{
/**
* Gets the source code of a template, given its name.
*
* @param string $name The name of the template to load
*
* @return string The template source code
*
* @throws LoaderError When $name is not found
*
* @deprecated since 1.27 (to be removed in 2.0), implement
Twig\Loader\SourceContextLoaderInterface
*/
public function getSource($name);
/**
* Gets the cache key to use for the cache for a given template name.
*
* @param string $name The name of the template to load
*
* @return string The cache key
*
* @throws LoaderError When $name is not found
*/
public function getCacheKey($name);
/**
* Returns true if the template is still fresh.
*
* @param string $name The template name
* @param int $time Timestamp of the last modification time of the
* cached template
*
* @return bool true if the template is fresh, false otherwise
*
* @throws LoaderError When $name is not found
*/
public function isFresh($name, $time);
}
class_alias('Twig\Loader\LoaderInterface',
'Twig_LoaderInterface');
SourceContextLoaderInterface.php000064400000001520151160153330013026
0ustar00<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Loader;
use Twig\Error\LoaderError;
use Twig\Source;
/**
* Adds a getSourceContext() method for loaders.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @deprecated since 1.27 (to be removed in 3.0)
*/
interface SourceContextLoaderInterface
{
/**
* Returns the source context for a given template logical name.
*
* @param string $name The template logical name
*
* @return Source
*
* @throws LoaderError When $name is not found
*/
public function getSourceContext($name);
}
class_alias('Twig\Loader\SourceContextLoaderInterface',
'Twig_SourceContextLoaderInterface');